US Bridges

South N ST over Little Duck Creek

Fair

Madison County, Indiana · 00.10 W 24th ST · Structure no. 4800164

Built
1950
75 years old, rebuilt 2001
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
504
2023 count
Owner
County
County Highway Agency

About this bridge

South N ST over Little Duck Creek is a prestressed concrete box beam or girders - multiple carrying South N ST over Little Duck Creek in Madison County, Indiana. It was built in 1950 and reconstructed in 2001, so it is 75 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 504 vehicles a day, roughly 2% of them trucks, projected to reach 714 by 2043. The structure is 34 ft (10.3 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth N ST
CrossesLittle Duck Creek
Location00.10 W 24th ST
RouteCity Street 0
StateIndiana
Coordinates40.26371, -85.83217
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span33 ft (10 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic504 (2023)
Projected traffic714 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South N ST over Little Duck Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2001.

What condition is South N ST over Little Duck Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does South N ST over Little Duck Creek carry?

About 504 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is South N ST over Little Duck Creek?

The structure is 34 ft (10.3 m) long with a longest span of 33 ft (10 m) and a deck 28 ft wide.

Who owns South N ST over Little Duck Creek?

It is owned by the County Highway Agency.